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This E-T-A 3131 series thermal circuit breaker is a single-pole device designed for panel mounting applications. It combines circuit breaker functionality with an ON/OFF switch, featuring a soft-touch rocker actuation. The breaker is rated for 20A current and can handle up to 240 VAC or 28 VDC.
The 3131 series meets EN 60934 (IEC 60934) standards and offers IP66 protection at the front panel, making it suitable for environments with water splash. Its typical applications include motor and transformer protection, household appliances, electrical tools, and mobile equipment.
Key technical data includes an operating temperature range of -20°C to +60°C, dielectric strength of AC 3,000 V, and insulation resistance greater than 100 MΩ. The device has undergone rigorous testing for vibration, shock, corrosion, and humidity to ensure reliability in demanding conditions.
240 VAC / 28 VDC.
20 A.
-20°C to +60°C.
Panel mount.
IP66 for the operating area; IP00 for the terminal area.
3000 A at 240 VAC and 2500 A at 32 VDC.
IEC 60934, UL 1077, UL 1500.